This creation provides a kind of catheter, it is in a hollow shell, shell includes: one first opening and one with first opening communicate second opening, and first opening have a curl design, the urethral orifice of what user can be arranged, wherein, a urine collection bag is further included, is the liquid inlet that can connect the second opening equipped with one, the urine of discharge is made to be directed to the second opening via the first opening and flows into urine collection bag, thereby, the psychological need of men and women user's urgent urination instantly can be handled immediately.本創作提供一種導尿器 ，其呈一中空之殼體，殼體包含有：一第一開口及一與第一開口相通之第二開口，且第一開口具有一曲邊設計，可套設於使用者之尿道口，其中，更包括一集尿袋，其係設有一可連接第二開口之入液口，使排放之尿液經由第一開口導引至第二開口並流入集尿袋，藉此，便可即時處理男女使用者當下尿急之生理需求。
